Hiroo Yoshikawa
25Patents
3h-index
56Co-inventors
66Inventor score
Filing activity: Sep 27, 1999 → Mar 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6335475B1 | Method of chemical decontamination | Physics | 12 | Expired |
| US8877406B2 | Fuel cell, and method of manufacturing a fuel cell | Emerging Cross-Sectional Technologies | 6 | Active |
| US6549603B1 | Method of chemical decontamination | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6973154B2 | Method of chemical decontamination and system therefor | Physics | 3 | Expired |
| US7732082B2 | Fuel cell module | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9017901B2 | Manufacturing method of cell assembly for fuel cell and manufacturing method of fuel cell | Emerging Cross-Sectional Technologies | 2 | Active |
| US8652698B2 | Fuel cell, fuel cell system, and control method of fuel cell system | Emerging Cross-Sectional Technologies | 2 | Active |
| US8187765B2 | Membrane electrode assembly and polymer electrolyte membrane fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US9673467B2 | Membrane electrode assembly and fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US7838163B2 | Fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US8227141B2 | Fuel cell, method of manufacturing fuel cell, and unit cell assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US6921515B2 | Apparatus for chemical decontamination | Physics | 1 | Expired |
| US9178242B2 | Manufacturing method of fuel cell module and manufacturing method of fuel cell | Emerging Cross-Sectional Technologies | 1 | Active |
| US9362573B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10629924B2 | Water-repellent layer and fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US9991538B2 | Method of manufacturing membrane electrode assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US10950869B2 | Fuel cell electrode catalyst and method for producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10333153B2 | Fuel cell catalyst layer, and fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US9761898B2 | Membrane electrode assembly, fuel cell using the same and manufacturing method of membrane electrode assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US10547058B2 | Method of manufacturing membrane electrode assembly, and membrane electrode assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US9437883B2 | Manufacturing method of fuel cell module and manufacturing method of fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US12283386B2 | Chemical decontamination method and chemical decontamination apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US9634346B2 | Membrane electrode assembly and fuel cell battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10297837B2 | Method of manufacturing electrode catalyst layer for fuel cell, and electrode catalyst layer for fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US9023552B2 | Membrane electrode assembly, manufacturing method thereof, and fuel cells | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.